All points along the circle with be the distance of the radius from the center...so the radius can be found using the Pythagorean Theorem..
r^2=(4-1)^2+(6-2)^2
r^2=9+16
r^2=25
r=5
The equation of the circle can be expressed as:
r^2=(x-h)^2+(y-k)^2 where (h,k) correspond to the center of the circle, (2,1) in this case.
(x-2)^2+(y-1)^2=25
if you wanted it in a more standard form...
(y-1)^2=25-(x-2)^2
(y-1)^2=25-x^2+4x-4
(y-1)^2=-x^2+4x+21
y-1=(-x^2+4x+21)^(1/2)
y=1(+/-)(-x^2+4x+21)^(1/2)
We want the final coordinate of K to become (-3,1). If you reflect across the y-axis, you transform
So, we need to move K to (3,1), and then reflect it across the y-axis. Since K starts at (-1,4), we have to move it 4 units to the right and 3 units down.
Answer:
I recently got it on my xbox
Step-by-step explanation:
I usually play with the family my name on xbox is wood
Answer:
$10,880
Step-by-step explanation:
15% = 15 ÷ 100 = 0.15
So 15% of 12800 = 0.15 x 12800 = 1920
Therefore, 12800 - 1920 = 10880
OR
12800 x (1 - 0.15) = 10880
combine like terms on the left side. you always go from left to right.
